In recent years, wireless local area networks (WLAN, Wireless Local Area Network) are gaining popularity, which is heightened as their benefits increase and find new applications for them. Wireless Local Area Networks allow users to access information and resources in real time without being physically connected to a particular place.
Wireless Local Area Networks with the network itself is mobile and eliminates the need for cables and provides new applications by adding flexibility to the network, and most importantly increased productivity and efficiency in companies where it is installed.
A user within a Wireless LAN can transmit and receive voice, data and video within buildings, between buildings or on college campuses and even metropolitan areas at speeds of 11 Mbit/s or higher.
But not only are used in businesses, but its extension to public settings, in metropolitan areas as a means of access to Internet or to cover areas of high user density (hot spots) in the next generation networks (3G) are seen as the most interesting applications in the coming years.
Many of the manufacturers of computers and communications equipment such as PDAs (personal digital assistants), modems, POS terminals and other devices are introduced supported applications in wireless communications.
The new possibilities offered by Wireless Local Area Networks are: to allow easy incorporation of new users to the network, providing a low cost alternative to wired systems, plus the ability to access any database or any application located within the network.
Advantages of Wireless Local Area Networks on Fixed Networks
Mobility: Wireless networks provide users with a LAN access to real-time information anywhere within the organization or the public environment (limited area) in which they are deployed.
Simple and quick installation: the installation of a WLAN is quick, easy and eliminates the need for pulling cables through walls and ceilings.
Installation Flexibility: Wireless technology allows the network to reach difficult to access to a wired LAN.
Cost of Ownership: While the initial investment required for a wireless network can be higher than the hardware cost of a LAN, the reversal of installation and cost during the life cycle can be significantly lower. The long-term benefits are higher in dynamic environments requiring frequent moves and actions.
Scalability: WLAN systems can be configured in a variety of topologies to meet the needs of specific applications and installations. The settings are very easy to change and it is very easy to incorporate new users to the network. Deciding on a WLAN
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